Dispensing closure valve

Details Dispensing closure valve Dispensing closure valve

1984-03-15

1986-11-18

Rolla, Joseph J.

Dispensing

With resilient biasing means for outlet element

For pivoted and swingable elements

222556, B65D 4700

Patent

active

046230777

ABSTRACT:
A dispensing closure valve comprising a stem having an annular wall defining an opening. The dispensing closure valve includes a closure including an outer annular wall, an inner annular wall and an integral portion connecting the inner and outer annular walls at the outer end of the closure. The inner annular wall has a transverse wall. The inner wall and transverse wall having a sufficiently thin cross section such that they will flex. A tab integral with the transverse wall extends outwardly from the inner surface thereof for flexing the transverse wall extends outwardly from the inner surface thereof for flexing the transverse wall and inner wall to permit fluid to flow from the opening of said stem. Interengaging portions are provided between the tab and the closure body which are operable upon movement of the tab to open the valve to hold the valve in open position.

REFERENCES:
patent: 3157322 (1964-11-01), Bernhardt
patent: 3168226 (1965-02-01), Underwood et al.
patent: 3752371 (1973-08-01), Susuki et al.
patent: 3972452 (1976-08-01), Welsh
patent: 4444340 (1984-04-01), Bond et al.

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